A/B Testing: Testing two different versions of an email to see which one performs better.

Apollo.io: A B2B lead database and sales intelligence platform used for building initial lead lists and gathering contact information.

Blacklist: A list of domains or IP addresses flagged for sending spam.

Bounce Rate: Percentage of emails that fail to deliver to the recipient's inbox due to invalid addresses or full inboxes.

Cadence: A sequence of outreach activities (email, phone calls, LinkedIn messages).

Catch-All Emails: Email addresses that accept all incoming mail for a domain, regardless of whether the specific address exists, making validation more challenging.

Clay: A workflow automation tool designed for sales teams, specifically to streamline outbound sales processes. Clay allows users to integrate data sources, enrich lead information, automate repetitive tasks like email personalisation, and generate insights to optimise outreach campaigns.

Claygent: Clay's AI agent that can analyze websites and gather detailed information about companies and prospects for enrichment purposes.

Conversion Rate (CR): Percentage of email recipients who complete a desired action.

Copy Warm-up: A feature in SmartDelivery that sends positive replies back to test emails to signal engagement to email providers.

CTA (Call to Action): The prompt in an email encouraging the recipient to take a specific action.

Deliverability: Ability of an email to successfully reach the recipient’s inbox, influenced by email authentication and sender reputation.

DNS (Domain Name System): The system that converts domain names into IP addresses so browsers can load internet resources.

DKIM (DomainKeys Identified Mail): An email authentication method that allows an organization to claim responsibility for sending a message.

DMARC (Domain-based Message Authentication, Reporting & Conformance): An email authentication policy that helps protect email domains from being used for phishing or spam.

Email Infrastructure: The technical setup and systems used to ensure that emails are sent, delivered, and tracked effectively. This includes email servers, authentication protocols (such as SPF, DKIM, and DMARC), IP addresses, and email service providers (ESPs) that manage deliverability.

Email Variants: Different versions of email copy used within a campaign for testing or personalization purposes.

ESP (Email Service Provider): A service that enables users to send marketing emails, newsletters, and transactional emails.

ESP Matching: A feature that ensures emails are sent from accounts matching the recipient's email service provider (e.g., Gmail to Gmail, Outlook to Outlook) to improve deliverability.